use honggfuzz::fuzz; fn do_test(data: &[u8]) { // We already fuzz Transactions in `./deserialize_transaction.rs`. let tx_result: Result = bitcoin::consensus::encode::deserialize(data); match tx_result { Err(_) => {} Ok(tx) => { let ser = bitcoin::consensus::encode::serialize(&tx); assert_eq!(&ser[..], data); } } } fn main() { loop { fuzz!(|data| { do_test(data); }); } } #[cfg(all(test, fuzzing))] mod tests { fn extend_vec_from_hex(hex: &str, out: &mut Vec) { let mut b = 0; for (idx, c) in hex.as_bytes().iter().enumerate() { b <<= 4; match *c { b'A'..=b'F' => b |= c - b'A' + 10, b'a'..=b'f' => b |= c - b'a' + 10, b'0'..=b'9' => b |= c - b'0', _ => panic!("Bad hex"), } if (idx & 1) == 1 { out.push(b); b = 0; } } } #[test] fn duplicate_crash() { let mut a = Vec::new(); extend_vec_from_hex("00000000", &mut a); super::do_test(&a); } }